<template>
    <el-dialog title="数据导入" :visible.sync="open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="headers"
        :action="url + '?updateSupport=' + updateSupport+ '&model=' + model"
        :disabled="isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="updateSupport" /> 是否更新已经存在的数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submit">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
</template>

<script>
import { restGet, apiDownload } from "@/api/openapi";
import { getToken } from "@/utils/auth";

export default {
  name: "ImportDialog",
  props:{
    //是否显示
      open: Boolean,
    //数据模型
      model: String
  },
  data() {
    return {
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/openapi/imports"
    }
  },
  methods: {
    /** 取消按钮操作 */
    cancel() {
      this.$emit('cancel');
    },
    /** 下载模板操作 */
    importTemplate() {
      restGet('/openapi/template', {model:this.model}).then(response => {
        apiDownload(response.msg);
      });
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$emit('success', response.msg);
    },
    // 提交上传文件
    submit() {
      this.$refs.upload.submit();
    }
  }
};
</script>
